GRINM Semiconductor Materials Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of 688432?
Owner Type	Number of Shares	Ownership Percentage
Employee Share Scheme	13,406,228	1.08%
Individual Insiders	28,215,000	2.27%
Institutions	81,446,151	6.55%
General Public	129,685,827	10.4%
Public Companies	327,090,400	26.3%
Private Companies	664,222,116	53.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 89.32% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
30.9%	Beijing Grinm Aisi Semiconductor Technology Co., Ltd.	384,750,000	CN¥4.6b	0%	no data
26.3%	RS Technologies Co., Ltd.	327,090,400	CN¥3.9b	0%	no data
18.5%	China Youyan Technology Group Co., Ltd.	230,422,500	CN¥2.8b	0%	no data
2.27%	Nagayoshi Ho	28,215,000	CN¥338.3m	0%	no data
1.81%	China Reform Venture Capital Investment Management (Shenzhen) Ltd.	22,493,900	CN¥269.7m	0%	4.9%
1.57%	CITIC Securities Investment Ltd.	19,554,490	CN¥234.5m	0%	6.82%
1.55%	Dezhou Xinli Consulting Management Center (Limited Partnership)	19,339,894	CN¥231.9m	0%	no data
1.08%	GRINM Semiconductor Materials Co., Ltd., ESOP	13,406,228	CN¥160.7m	0%	no data
1.05%	Dezhou Xinrui Consulting Management Center (Limited Partnership)	13,034,204	CN¥156.3m	0%	no data
0.72%	CETC Cornerstone Technology Innovation Fund Management (Beijing) Co., Ltd.	8,953,631	CN¥107.4m	0%	no data
0.56%	Dezhou Xinhui Consulting Management Center (Limited Partnership)	7,011,317	CN¥84.1m	0%	no data
0.48%	Beijing Industrial Developing Investment Management Co., Ltd.	6,024,368	CN¥72.2m	0%	1.82%
0.4%	Wuxi China Resources Microelectronics (Holdings) Limited	5,020,307	CN¥60.2m	0%	no data
0.37%	HFT Investment Management Co. Ltd. (Group)	4,640,307	CN¥55.6m	0%	0.21%
0.28%	CPIC Fund Management Co., Ltd.	3,471,400	CN¥41.6m	0%	0.07%
0.22%	China Asset Management Co. Ltd.	2,732,033	CN¥32.8m	0%	no data
0.21%	Texas Xinzhi Consulting Management Center (Limited Partnership)	2,597,198	CN¥31.1m	0%	no data
0.19%	CITIC Securities Company Limited, Asset Management Arm	2,364,640	CN¥28.4m	0%	0.03%
0.18%	Penghua Fund Management Co., Ltd.	2,211,506	CN¥26.5m	0%	0.02%
0.16%	Dezhou Xinxin Consulting Management Center (Limited Partnership)	2,046,696	CN¥24.5m	0%	no data
0.15%	JPMorgan Chase & Co, Brokerage and Securities Investments	1,850,001	CN¥22.2m	0%	no data
0.094%	Guotai Asset Management Company Limited	1,171,501	CN¥14.0m	0%	0.01%
0.086%	Harvest Fund Management Co. Ltd.	1,066,661	CN¥12.8m	0%	no data
0.08%	Bosera Asset Management Co., Ltd.	1,000,000	CN¥12.0m	0%	0.01%
0.06%	Fullgoal Fund Management Co. Ltd.	744,925	CN¥8.9m	0%	no data

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2024/12/26 21:47
End of Day Share Price	2024/12/26 00:00
Earnings	2024/09/30
Annual Earnings	2023/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more here.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on .

Analyst Sources

GRINM Semiconductor Materials Co., Ltd. is covered by 1 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Chao Li	Citic Securities Co., Ltd.